QSqlQuery 插入大量数据、碰到插入失败的跳过、继续插入

void Widget::on_pushButton_2_clicked()

{

    int number = 0;

    //开启事务

    if(db.transaction())

    {

        qDebug()<<"open ok";

    }

    else{

        qDebug()<<"open error";

    }

    QSqlQuery qq(db); //以下执行相关QSL语句

    qq.prepare("select * from net_clear_ent_info");

    qq.exec();

    int j = 0;

    while(qq.next())

    {

        qDebug()<<"数量: "<<j;

        j++;

        //获取手机号

        QString phone = qq.value(2).toString();

        if(phone.contains(","))

        {

            QStringList li_phone = phone.split(",");

            for(int j=0; j < li_phone.length(); j++)

            {

                number++;

                QString many_phone = li_phone[j].replace("-","");

                QString str ="insert into phone_net_clear_ent_info (name,phone,address) values ('"+qq.value(1).toString()+"', '"+many_phone+"', '"+qq.value(3).toString()+"')";

                QSqlQuery query;

                query.exec(str);

            }

        }

        else

        {

            number++;

            QString clear_phone = phone.replace("-","");

            QString str1 ="insert into phone_net_clear_ent_info (name,phone,address) values ('"+qq.value(1).toString()+"', '"+clear_phone+"', '"+qq.value(3).toString()+"')";

            QSqlQuery query;

            query.exec(str1);

        }

        //提交事务

        if(db.commit())

        {

            qDebug()<<"commit ok";

        }

        else

            qDebug()<<"commit error";

            //失败以后可以进行回滚

    }

    qDebug()<<"一共这么多号码："<<number;

}